2051212920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{683}}^1\times {\mathrm{863}}^1$

素因数の和:1589

約数の個数: 128

約数和(自身を含む): 6382540800

約数和(自身を除く): 4331327880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 683, 696, 863, 870, 1160, 1366, 1726, 1740, 2049, 2589, 2732, 3415, 3452, 3480, 4098, 4315, 5178, 5464, 6830, 6904, 8196, 8630, 10245, 10356, 12945, 13660, 16392, 17260, 19807, 20490, 20712, 25027, 25890, 27320, 34520, 39614, 40980, 50054, 51780, 59421, 75081, 79228, 81960, 99035, 100108, 103560, 118842, 125135, 150162, 158456, 198070, 200216, 237684, 250270, 297105, 300324, 375405, 396140, 475368, 500540, 589429, 594210, 600648, 750810, 792280, 1001080, 1178858, 1188420, 1501620, 1768287, 2357716, 2376840, 2947145, 3003240, 3536574, 4715432, 5894290, 7073148, 8841435, 11788580, 14146296, 17093441, 17682870, 23577160, 34186882, 35365740, 51280323, 68373764, 70731480, 85467205, 102560646, 136747528, 170934410, 205121292, 256401615, 341868820, 410242584, 512803230, 683737640, 1025606460, 2051212920]

約数ペア:

[(1, 2051212920), (2, 1025606460), (3, 683737640), (4, 512803230), (5, 410242584), (6, 341868820), (8, 256401615), (10, 205121292), (12, 170934410), (15, 136747528), (20, 102560646), (24, 85467205), (29, 70731480), (30, 68373764), (40, 51280323), (58, 35365740), (60, 34186882), (87, 23577160), (116, 17682870), (120, 17093441), (145, 14146296), (174, 11788580), (232, 8841435), (290, 7073148), (348, 5894290), (435, 4715432), (580, 3536574), (683, 3003240), (696, 2947145), (863, 2376840), (870, 2357716), (1160, 1768287), (1366, 1501620), (1726, 1188420), (1740, 1178858), (2049, 1001080), (2589, 792280), (2732, 750810), (3415, 600648), (3452, 594210), (3480, 589429), (4098, 500540), (4315, 475368), (5178, 396140), (5464, 375405), (6830, 300324), (6904, 297105), (8196, 250270), (8630, 237684), (10245, 200216), (10356, 198070), (12945, 158456), (13660, 150162), (16392, 125135), (17260, 118842), (19807, 103560), (20490, 100108), (20712, 99035), (25027, 81960), (25890, 79228), (27320, 75081), (34520, 59421), (39614, 51780), (40980, 50054)]